Google Home for $89Google Home is a voice-operated speaker, and Amazon Echo's biggest competitor.
Google Home and Amazon Echo both have powerful speakers that can be controlled by your voice, but they differ in a few ways.
Amazon Echo is better for:

Google calendar, maps, and traffic.
If you have multiple Google account users in your home, Google Home can distinguish each user's Google account by their voice.

Google Play and YouTube Red music listening.

Chromecast.
The Google Home can act as a Chromecast speaker, and your voice can play things on the TV.
With a Chromecast capable TV, you can tell the Home to "play Katy Perry's Roar on the living room TV,"
and it will do it.